There are two ways to download Understrap theme, click on the links below to get the theme.
Instant Understrap
The only official guide to fast, handcrafted WordPress development with Understrap.
Understrap Starter Child Theme
The basic Child Theme for the Understrap Theme Framework. Check out the readme for more information.
you can download Understrap Startertheme by clicking here
Understrap Parent Theme
Understrap combines the Underscores starter theme (by Automattic) and the mobile-first, responsive grid framework Bootstrap 4 (by Twitter) into a perfect open-source foundation for your next WordPress theme project.
you can download the Parent theme by clicking here